Patents by Inventor Ryuici Kawamoto

Ryuici Kawamoto has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Steam sauna
    Patent number: 4833739
    Abstract: A steam sauna has a passage for circulation of air existing in a sauna booth, and is provided with a heater for heating air flowing through the passage, and a steam generator with an ultrasonic oscillator for mixing steam generated with the air heated.
    Type: Grant
    Filed: March 17, 1988
    Date of Patent: May 30, 1989
    Assignee: INAX Corporation
    Inventors: Shigeru Sakakibara, Ryuici Kawamoto